A181109 - OEIS

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A181109

Array whose rows result from iterating an algorithm that takes (1,1,1,1,...) to (1,3,5,7,...).

1, 1, 1, 1, 3, 1, 1, 5, 3, 1, 1, 7, 4, 3, 1, 1, 9, 5, 4, 3, 1, 1, 11, 7, 5, 4, 3, 1, 1, 13, 8, 7, 5, 4, 3, 1, 1, 15, 10, 9, 7, 5, 4, 3, 1, 1, 17, 11, 11, 9, 7, 5, 4, 3, 1, 1, 19, 13, 12, 11, 9, 7, 5, 4, 3, 1, 1, 21, 14, 13, 12, 11, 9, 7, 5, 4, 3, 1, 1, 23, 15, 15, 13, 13, 11, 9, 7, 5, 4, 3, 1

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OFFSET

1,5

COMMENTS

Row 1: A000012 (constant sequence of 1's)

Row 2: A005408 (odd positive integers)

Row 3: A136119

limit-row: A003159

LINKS

Table of n, a(n) for n=1..91.

FORMULA

To generate row n+1 from row n, let